Fault message
Cause
Remedy
Stop prep‐
aration
Stop
Extraction
blocked
Liquid concentrate pump is
not calibrated
Liquid concentrate pump is not
yet calibrated
Calibrate the liquid con‐
centrate pump
Check liquid concentrate
pump Sigma
Pump defective
Check pump
YES
NO
Check frequency converter
liquid concentrate pump
Frequency converter defective Check frequency con‐
verter
YES
NO
Frequency converter parametr‐
isation is incorrect
Check frequency con‐
verter parameters
The liquid concentrate storage
tank is empty
Storage tank is empty
Fill storage tank
YES
NO
Float switch defective
Check float switch
Digital input defective
Check digital input
Check liquid concentrate flow
sensor
Storage tank is empty
Fill storage tank
YES
NO
The flow sensor is not correctly
adjusted
Calibrate flow sensor
Digital input defective
Check digital input
Liquid concentrate pump -
max. capacity reached
Liquid concentrate pump cali‐
bration is faulty
Repeat liquid concen‐
trate pump calibration
NO
NO
Water supply too high
Reduce water supply
Concentration parameter too
high
Reduce concentration
parameter
Liquid concentrate pump -
min. capacity reached
Concentration parameter too
low
Increase concentration
parameter
NO
NO
Water supply too low
Increase water supply
Liquid concentrate pump cali‐
bration is faulty
Calibrate the liquid con‐
centrate pump
Water supply too low
Minimum water supply param‐
eter too high
Check minimum water
supply parameter
NO
NO
Variations in the water supply
Check the water supply
Filter bowl blocked
Clean the filter bowl
Pressure reducer set incor‐
rectly
Set pressure reducer
correctly
Water meter defective
Check water meter
Digital input defective
Check digital input
Water supply too low.
Ultromat stop
Minimum water supply param‐
eter too high
Check minimum water
supply parameter
YES
NO
Water supply failed
Check the water supply
Variations in the water supply
Check the water supply
Filter blocked
Clean the filter
Pressure reducer set incor‐
rectly
Set pressure reducer
correctly
Water meter defective
Check water meter
Digital input defective
Check digital input
Wetting cone too full
Needle valves to the wetting
cone not set correctly
Adjust the needle valves
YES
NO
Wetting cone blocked
Clean the wetting cone
Fault Messages
75